View source for Alien Challenge (China)

{| style="float: right;" border="1" cellpadding="3" cellspacing="0"
|+ style="background:silver" | EMU Infos
|-
|dumper || f205v
|-
|date || 20/05/2023
|-
|emulator || MAME 0.104
|-
|dev || Luca Elia
|}
{| style="float: right;" border="1" cellpadding="3" cellspacing="0"
|+ style="background:silver" | PCB Infos
|-
|name || '''[http://www.progettoemma.net/index.php?gioco=alienchac alienchac on ProgettoEMMA]<br>[http://adb.arcadeitalia.net/?mame=alienchac alienchac on Arcade Database]'''
|-
|description || '''Alien Challenge (China)'''
|-
|year || '''1994'''
|-
|manufacturer || '''IGS'''
|}

==Technical references==
===CPUs===
{| border="1" cellpadding="4" cellspacing="0"
|-align="left" 
!QTY
!Type
!clock
!position
!function
|-
|1x || [[68000|68000]] || 9,994MHz(@15) || u92 || 16/32-bit Microprocessor - main
|-
|2x || [[8255|D8255]] || - || u96, u97 || Programmable Peripheral Interface
|-
|1x || [[IGS custom chip|IGS custom 005]] ||  || u58 || 
|-
|1x || [[IGS custom chip|IGS custom 006]] ||  || u47 || 
|-
|1x || [[IGS custom chip|IGS custom 007]] ||  || u13 || 
|-
|1x || [[IGS custom chip|IGS custom 008]] ||  || u59 || 
|-
|1x || [[Z80|Z840006PSC Z80 CPU]] || 4.997MHz(@6) || u85 || 8-bit Microprocessor - sound
|-
|1x || [[YMF278B|YMF278B-F]] ||  || u99 || FM Operator Type-L 4 + wave Table Synthesizer (OPL4) - sound
|-
|2x || [[6295|U6295]] || 999.4kHz(@5) - 999.4kHz(@6) PIN 3 HI || u90, u91 || 4-Channel Mixing ADCPM Voice Synthesis LSI - sound
|-
|1x || [[YAC513|YAC513-M]] ||  || u114 || 2-Channel Floating D/A Converter - sound
|-
|3x || [[HA17324|HA17324]] || - || u105, u106, u116 || Quad Operational Amplifier - sound
|-
|1x || [[TDA1519|TDA1519A]] || - || u115 || Audio Amplifier - sound
|-
|1x || oscillator || 20.000MHz || u17 || 
|-
|1x || oscillator || 33.8688 || X1 || 
|}

===ROMs===
{| border="1" cellpadding="4" cellspacing="0"
|-align="left" 
!QTY
!Type
!position
!status
|-
|1x || [[27512|27C512]] || u86 || dumped
|-
|2x || [[27020|M27C2001]] || u65, u66 || dumped
|-
|2x || [[27040|M27C4001]] || u79, u80 || dumped
|-
|3x || [[IGS custom chip|IGS A0103 A0102 A0101]] || u1, u2, u3 || not dumped
|-
|3x || [[IGS custom chip|IGS B0103 B0102 B0101]] || u6, u7, u8 || not dumped
|-
|3x || [[IGS custom chip|IGS T0101 T0102 T0103]] || u9, u10, u11 || not dumped
|-
|1x || [[IGS custom chip|IGS C0101]] || u81 || not dumped
|-
|1x || [[93C46|AT93C46]] || u109 || not dumped
|-
|1x || [[yrw801|YRW801-M]] || u106 || not dumped
|}

===RAMs===
{| border="1" cellpadding="4" cellspacing="0"
|-align="left" 
!QTY
!Type
!position
|-
|6x || [[SRAM 2k x 8|T6116S45L]] || u53, u54, u56, u77, u78, u89
|-
|5x || [[SRAM 8k x 8|IS61C64AH-25N]] || u4, u5, u18, u19, u55
|-
|7x || [[SRAM 32k x 8|CL63C256N-20]] || u38, u39, u40, u41, u42, u107, u108
|}

===PLDs===
{| border="1" cellpadding="4" cellspacing="0"
|-align="left" 
!QTY
!Type
!position
!status
|-
|2x || [[Ep220|P85C220-80]] || u16, u57 || read protected
|-
|1x || [[16l8|PAL16L8ACN]] || u102 || read protected
|-
|1x || [[18cv8|PEEL18CV8P-25]] || u30 || read protected
|-
|1x || [[22cv10|PEEL22CV10AP-15]] || u98 || read protected
|-
|1x || [[22v10|ATF22V10B]] || u82 || read protected
|-
|2x || [[22v10|PALCE22V10H-25PC/4]] || u83, u84 || read protected
|}

===Others===
1x 28x2 JAMMA edge connector (CON\28P)<br>
1x 10x2 edge connector (HEAD10)<br>
1x trimmer (volume)<br>
3x 8 DIP switches banks (SW1, SW2, SW3)

==Notes==
PCB is marked: "MADE IN TAIWAN IGS PCB NO-0085" on component side<br>
PCB is marked: "125p217" on solder side<br>
PCB is labelled: "57819 ORIGINAL BY IGS" on component side

==Files==
<gallery widths="150px">
Image:1780_PCB_component_side.jpg|PCB component side
Image:1780_PCB_solder_side.jpg|PCB solder side
</gallery>

1780
[[Category:Arcade]]
[[Category:f205v]]
[[Category:Luca Elia]]
[[Category:Dump incomplete]]
[[Category:Emulated]]
[[Category:MAME 0.104]]
[[Category:1994]]
[[Category:IGS]]